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70-764 PDF DEMO:

QUESTION NO: 1
Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.
You are examining information about users, sessions, and processed in an on-premises Microsoft SQL
Server Database Engine instance.
You need to return information about processes that are not idle, that belong to a specific user, or that belong to a specific session.
What should you use?
A. SQL Server Data Tools (SSDT)
B. SQL Server Management Studio (SSMS) Object Explorer
C. Activity Monitor
D. sp_who3
E. SQL Server Configuration Manager
F. SQL Server Data Collector
Answer: D
Explanation
Use sp_who3 to first view the current system load and to identify a session of interest. You should execute the query several times to identify which session id is most consuming teh system resources.
Parameters
sp_who3 null - who is active;
sp_who3 1 or 'memory' - who is consuming the memory;
sp_who3 2 or 'cpu' - who has cached plans that consumed the most cumulative CPU (top 10); sp_who3 3 or 'count' - who is connected and how many sessions it has; sp_who3 4 or 'idle' - who i s idle that has open transactions; sp_who3 5 or 'tempdb' - who is running tasks that use tempdb (top
5); and, sp_who3 6 or 'block' - who is blocking.

QUESTION NO: 2
You have a customer who has several SQL Server 2012 database servers. You are designing a data warehouse for the customer. The data warehouse will use columnstore indexes.
* Data manipulation language (DML) statements
* Nonclustered columnstore indexes
* Clustered columnstore indexes - Partitioning
The customer identifies that the following must be supported for the column store indexes.
You need to identify which technology requires the customer to implement an SQL Server 2014 database.
What should you identify?
A. clustered columnstore indexes
B. data manipulation language (DML) statements
C. nonclustered columnstore indexes
D. partitioning
Answer: A
Explanation
SQL Server 2014 has the features of SQL Server 2012 plus updateable clustered columnstore indexes.
This feature is required here as DML statements must be supported in the warehouse.
References: https://msdn.microsoft.com/en-us/library/gg492088(v=sql.120).aspx

QUESTION NO: 3
You run the sp_who system stored procedure. A process is blocked by a long-running operation.
You need to identify details of the processes involved in the deadlock including the resources that are being accessed. You must also be able to view the deadlock chain.
What should you use?
A. sys.dm_exec_sessions
B. DBCC OPENTRAN()
C. SQL Profiler
D. Query Store
Answer: B

QUESTION NO: 4
Overview
Application Overview
Contoso, Ltd., is the developer of an enterprise resource planning (ERP) application.
Contoso is designing a new version of the ERP application. The previous version of the ERP application used SQL Server 2008 R2.
The new version will use SQL Server 2014.
The ERP application relies on an import process to load supplier data. The import process updates thousands of rows simultaneously, requires exclusive access to the database, and runs daily.
You receive several support calls reporting unexpected behavior in the ERP application. After analyzing the calls, you conclude that users made changes directly to the tables in the database.
Tables
The current database schema contains a table named OrderDetails.
The OrderDetails table contains information about the items sold for each purchase order.
OrderDetails stores the product ID, quantities, and discounts applied to each product in a purchase order.
The product price is stored in a table named Products. The Products table was defined by using the
SQL_Latin1_General_CP1_CI_AS collation.
A column named ProductName was created by using the varchar data type. The database contains a table named Orders.
Orders contains all of the purchase orders from the last 12 months. Purchase orders that are older than 12 months are stored in a table named OrdersOld.
The previous version of the ERP application relied on table-level security.
Stored Procedures
The current version of the database contains stored procedures that change two tables. The following shows the relevant portions of the two stored procedures:
Customer Problems
Installation Issues
The current version of the ERP application requires that several SQL Server logins be set up to function correctly. Most customers set up the ERP application in multiple locations and must create logins multiple times.
Index Fragmentation Issues
Customers discover that clustered indexes often are fragmented. To resolve this issue, the customers defragment the indexes more frequently. All of the tables affected by fragmentation have the following columns that are used as the clustered index key:
Backup Issues
Customers who have large amounts of historical purchase order data report that backup time is unacceptable.
Search Issues
Users report that when they search product names, the search results exclude product names that contain accents, unless the search string includes the accent.
Missing Data Issues
Customers report that when they make a price change in the Products table, they cannot retrieve the price that the item was sold for in previous orders.
Query Performance Issues
Customers report that query performance degrades very quickly. Additionally, the customers report that users cannot run queries when SQL Server runs maintenance tasks. Import Issues During the monthly import process, database administrators receive many supports call from users who report that they cannot access the supplier data. The database administrators want to reduce the amount of time required to import the data.
Design Requirements
File Storage Requirements
The ERP database stores scanned documents that are larger than 2 MB. These files must only be accessed through the ERP application. File access must have the best possible read and write performance.
Data Recovery Requirements
If the import process fails, the database must be returned to its prior state immediately.
Security Requirements
You must provide users with the ability to execute functions within the ERP application, without having direct access to the underlying tables.
Concurrency Requirements
You must reduce the likelihood of deadlocks occurring when Sales.Prod and Sales.Proc2 execute.
You need to recommend a solution that meets the data recovery requirement. What should you include in the recommendation?
A. A transaction log backup
B. A differential backup
C. A database snapshot
D. Snapshot isolation
Answer: C

QUESTION NO: 5
You administer a database that is used for reporting purposes. The database has a large fact table that contains three hundred million rows. The table includes a clustered columnstore index and a nonclustered index on the ProductID column. New rows are inserted into the table every day.
Performance of queries that filter the Product ID column have degraded significantly.
You need to improve the performance of the queries.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Answer:
Explanation
Step 1: Drop the clustered columnstore index
Step 2: Create a clustered rowstore index on ProductID.
Rowstore indexes perform best on queries that seek into the data, searching for a particular value, or for queries on a small range of values. Use rowstore indexes with transactional workloads since they tend to require mostly table seeks instead of table scans.
Step 3: Create a nonclustered index on ProductID

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Updated: Jun 21, 2019

70-764必殺問題集 - Microsoft 70-764 Pdf問題サンプル & Administering A SQL Database Infrastructure

PDF問題と解答

試験コード:70-764
試験名称:Administering a SQL Database Infrastructure
最近更新時間:2019-06-24
問題と解答:全 440
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模擬試験

試験コード:70-764
試験名称:Administering a SQL Database Infrastructure
最近更新時間:2019-06-24
問題と解答:全 440
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オンライン版

試験コード:70-764
試験名称:Administering a SQL Database Infrastructure
最近更新時間:2019-06-24
問題と解答:全 440
Microsoft 70-764 試験関連赤本

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70-764 基礎問題集